Hardman, L. S., & Albrecht, J. (1997). Interacting with clients and customers: A foot in the door. Melbourne: Addison Wesley Longman Australia.
Chicago Stili AlıntıHardman, Lee Sharon, ve Jillian Albrecht. Interacting With Clients and Customers: A Foot in the Door. Melbourne: Addison Wesley Longman Australia, 1997.
MLA AlıntıHardman, Lee Sharon, ve Jillian Albrecht. Interacting With Clients and Customers: A Foot in the Door. Melbourne: Addison Wesley Longman Australia, 1997.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..